Loading...

Computer Programming

13,318 learners

Revision of Python HashMaps and Their Use in Practice

Enhance your comprehension and use of hashmap data structures while focusing on its application in counting and aggregation tasks. This exploration will deepen your understanding of their efficient data access and manipulation capabilities.

Python

See path

4 lessons

20 practices

4 hours

General Programming and Algorithms

Course details

Essentials of HashMaps in Python

Preview

Update the Library Catalog Entry

Library Catalog Error Correction

Check Book Availability in Library Catalog

Update and Access Elements in a Library Catalog Dictionary

Updating a Library Catalog Using HashMaps in Python

Previous Course

Next Course: Master Splitting Advanced Tasks into Smaller Pieces with Python

Meet Cosmo:

The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.